feat(report): display EOL information to scan summary (#1120)

* feat(report): display EOL information to scan summary

* detect Amazon linux EOL

oval/util_test.go

@@ -1168,32 +1168,6 @@ func TestIsOvalDefAffected(t *testing.T) {
 	}
 }
 
-func Test_major(t *testing.T) {
-	var tests = []struct {
-		in       string
-		expected string
-	}{
-		{
-			in:       "",
-			expected: "",
-		},
-		{
-			in:       "4.1",
-			expected: "4",
-		},
-		{
-			in:       "0:4.1",
-			expected: "4",
-		},
-	}
-	for i, tt := range tests {
-		a := major(tt.in)
-		if tt.expected != a {
-			t.Errorf("[%d]\nexpected: %s\n  actual: %s\n", i, tt.expected, a)
-		}
-	}
-}
-
 func Test_centOSVersionToRHEL(t *testing.T) {
 	type args struct {
 		ver string